CVE-2023-30872 | WordPress BSK Forms Blacklist Plugin <= 3.6.2 is vulnerable to SQL Injection

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in BannerSky BSK Forms Blacklist.This issue affects BSK Forms Blacklist: from n/a through 3.6.2.

Published: 2023-12-20 Last update: 2026-04-28 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2023-30872 is rated Moderate Risk (41.9/100): CVSS High severity, with low exploitation likelihood (EPSS 0.13%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2023-30872

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-11-21 0.42% 0.13% -0.28%
2 2025-11-18 0.10% 0.42% +0.32%
3 2025-04-15 0.10%

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-30872

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.6 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:L Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:H)
They need powerful rights—admin, root, or similar—before this pays off.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:L)
Might cause slowdowns, glitches, or partial disruption—not a full brick.
2.3 4.7 [email protected]
6.5 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:H)
They need powerful rights—admin, root, or similar—before this pays off.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:N)
Service keeps running; no real outage angle.
1.2 5.2 [email protected]

Weakness enumeration for CVE-2023-30872

GitHub Security Advisory for CVE-2023-30872

GHSA-36cp-3699-pj66 · Severity: high — Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')...

Affected software / configurations for CVE-2023-30872

Vendor Product Version Raw CPE
bannersky bsk_forms_blacklist < 3.6.3 cpe:2.3:a:bannersky:bsk_forms_blacklist:*:*:*:*:*:wordpress:*:*

References for CVE-2023-30872

cvelogic Threat Intelligence